One of the single most expensive components that go to make up an
amateur mobile robot is its power source. Of course, I’m speaking of
the batteries that supply the current necessary to power motors,
sensors and processors on board the robot (unless any of you have
worked the bugs out of cold fusion
This is a companion discussion topic for the original entry at https://community.robotshop.com/blog/show/taking-care-of-your-robots-power-source